/* ==========================================================================
   NaturResidenz Steglitz · Eigennutzer
   Gestaltung: editorial, ruhig, hairline-basiert.
   Farbwelt vollständig über CSS-Variablen (siehe :root) austauschbar.
   ========================================================================== */

:root{
  /* --- Farbwelt: Graphit & Schieferblau ---------------------------------- */
  --clay:#2C4A63;          /* Akzent (Buttons, Zahlen, Linien)              */
  --clay-dark:#22394C;     /* Akzent, dunkler (Hover, kleine Schrift)       */
  --clay-deep:#1B2733;     /* Tiefe Akzentfläche                            */
  --clay-soft:#A9C4D9;     /* Akzent auf dunklem Grund                      */
  --clay-tint:#E8EEF3;     /* Akzent, sehr hell (Flächen)                   */
  --honey:#B98C4A;         /* Sekundärakzent                                */
  --espresso:#1A1D21;      /* Dunkelfläche / Fließtext                      */
  --espresso-2:#2E3238;    /* Dunkel, zweite Stufe                          */
  --espresso-3:#5C636B;    /* Sekundärtext                                  */
  --cream:#FAFAF9;         /* Grundfläche                                   */
  --cream-2:#F1F2F1;       /* Grundfläche, zweite Stufe                     */
  --sand:#E1E3E2;          /* Trennflächen                                  */
  --muted:#7E858D;         /* Tertiärtext                                   */
  --on-clay:#EDF2F6;       /* Text auf Akzentfläche                         */
  --ok:#3F7D4E;
  --white:#fff;

  --clay-rgb:44,74,99;
  --clay-soft-rgb:169,196,217;
  --honey-rgb:185,140,74;
  --cream-rgb:250,250,249;
  --espresso-rgb:26,29,33;
  --veil-rgb:16,20,25;

  --line:rgba(var(--espresso-rgb),.14);
  --line-2:rgba(var(--espresso-rgb),.08);
  --line-d:rgba(var(--cream-rgb),.18);
  --line-d2:rgba(var(--cream-rgb),.10);

  --serif:"Hoefler Text","Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;

  --wrap:1240px;
  --gut:clamp(20px,4vw,56px);
  --r:3px;
  --hdr:70px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 8px);overflow-x:hidden}
body{
  margin:0;background:var(--cream);color:var(--espresso);
  font-family:var(--sans);font-size:16.5px;line-height:1.62;font-weight:400;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
button{font:inherit;color:inherit}
::selection{background:var(--clay);color:#fff}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px}

/* ---------------------------------------------------------------- Typografie */
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.09;letter-spacing:-.012em;margin:0}
h1{font-size:clamp(2.15rem,4.6vw,3.5rem)}
h2{font-size:clamp(1.75rem,3.1vw,2.55rem)}
h3{font-size:clamp(1.1rem,1.6vw,1.32rem);line-height:1.28;letter-spacing:-.005em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
strong,b{font-weight:600}

.wrap{width:min(var(--wrap),calc(100% - 2*var(--gut)));margin-inline:auto}
.wrap-w{width:min(1560px,calc(100% - 2*var(--gut)));margin-inline:auto}
section{position:relative}
.sec{padding:clamp(64px,8vw,120px) 0}
.sec-s{padding:clamp(48px,5.5vw,80px) 0}
.rule{height:1px;background:var(--line-2);border:0;margin:0}

/* Flächen */
.bg-cream{background:var(--cream)}
.bg-cream2{background:var(--cream-2)}
.bg-dark{background:var(--espresso);color:rgba(var(--cream-rgb),.86)}
.bg-dark h1,.bg-dark h2,.bg-dark h3,.bg-dark h4{color:var(--cream)}
.bg-clay{background:var(--clay-deep);color:rgba(var(--cream-rgb),.86)}
.bg-clay h1,.bg-clay h2,.bg-clay h3{color:var(--cream)}

/* Sektions-Label: 01 — Wohnen */
.kicker{
  display:flex;align-items:baseline;gap:14px;margin-bottom:26px;
  font-size:.7rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--clay-dark)
}
.kicker i{font-style:normal;color:var(--muted);font-variant-numeric:tabular-nums}
.kicker::after{content:"";flex:1;height:1px;background:var(--line);max-width:120px}
.bg-dark .kicker,.bg-clay .kicker{color:var(--clay-soft)}
.bg-dark .kicker i,.bg-clay .kicker i{color:rgba(var(--cream-rgb),.4)}
.bg-dark .kicker::after,.bg-clay .kicker::after{background:var(--line-d)}

.lead{font-size:clamp(1.02rem,1.25vw,1.14rem);color:var(--espresso-3);max-width:60ch}
.bg-dark .lead,.bg-clay .lead{color:rgba(var(--cream-rgb),.7)}
.sec-head{max-width:760px;margin-bottom:clamp(40px,5vw,64px)}
.sec-head .lead{margin-top:18px}
.fine{font-size:.775rem;line-height:1.6;color:var(--muted)}
.bg-dark .fine,.bg-clay .fine{color:rgba(var(--cream-rgb),.42)}
.hl{color:var(--clay-dark)}
.bg-dark .hl,.bg-clay .hl{color:var(--clay-soft)}

/* ---------------------------------------------------------------- Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  padding:15px 28px;border-radius:var(--r);border:1px solid var(--clay);cursor:pointer;text-decoration:none;
  background:var(--clay);color:#fff;
  font-size:.815rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;line-height:1;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:hover{background:var(--clay-dark);border-color:var(--clay-dark)}
.btn .ar{font-size:1.05em;line-height:0;transition:transform .22s ease}
.btn:hover .ar{transform:translateX(3px)}
.btn-lg{padding:18px 34px;font-size:.85rem}
.btn-o{background:transparent;color:var(--espresso);border-color:var(--line)}
.btn-o:hover{background:transparent;color:var(--clay-dark);border-color:var(--clay)}
.bg-dark .btn-o,.bg-clay .btn-o{color:var(--cream);border-color:var(--line-d)}
.bg-dark .btn-o:hover,.bg-clay .btn-o:hover{color:var(--clay-soft);border-color:var(--clay-soft);background:transparent}
.btn-light{background:var(--cream);color:var(--espresso);border-color:var(--cream)}
.btn-light:hover{background:#fff;border-color:#fff;color:var(--espresso)}

/* Text-Link mit Unterstrich */
.tlink{
  display:inline-flex;align-items:center;gap:9px;text-decoration:none;
  font-size:.815rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--clay-dark);border-bottom:1px solid var(--clay);padding-bottom:5px;transition:.2s
}
.tlink:hover{color:var(--espresso);border-color:var(--espresso)}
.bg-dark .tlink,.bg-clay .tlink{color:var(--clay-soft);border-color:rgba(var(--clay-soft-rgb),.5)}
.bg-dark .tlink:hover,.bg-clay .tlink:hover{color:var(--cream);border-color:var(--cream)}

.cta-row{margin-top:clamp(32px,4vw,48px);display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center}
.cta-row.center{justify-content:center}
.cta-note{font-size:.85rem;color:var(--muted)}
.bg-dark .cta-note,.bg-clay .cta-note{color:rgba(var(--cream-rgb),.45)}

/* ---------------------------------------------------------------- Header */
.hdr{
  position:fixed;inset:0 0 auto 0;z-index:900;height:var(--hdr);display:flex;align-items:center;
  background:rgba(var(--cream-rgb),.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-2);transition:height .3s ease
}
.hdr.solid{height:60px}
.hdr-in{width:min(1560px,calc(100% - 2*var(--gut)));margin-inline:auto;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;line-height:0;text-decoration:none;flex:none}
.brand img{width:214px;height:auto;display:block;transition:width .3s ease}
.hdr.solid .brand img{width:194px}
.nav{margin-left:auto;display:flex;align-items:center;gap:30px}
.nav a{
  text-decoration:none;font-size:.735rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--espresso-3);padding:3px 0;border-bottom:1px solid transparent;transition:.2s
}
.nav a:hover{color:var(--espresso);border-color:var(--clay)}
.nav .btn{padding:12px 20px;font-size:.72rem;color:#fff;border-bottom-color:var(--clay)}
.nav .btn:hover{color:#fff;border-color:var(--clay-dark)}
.burger{display:none;margin-left:auto;background:none;border:0;padding:10px 0 10px 10px;cursor:pointer}
.burger span{display:block;width:23px;height:1.5px;background:var(--espresso);transition:.28s}
.burger span+span{margin-top:6px}
.burger.on span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

.mnav{
  position:fixed;inset:0;z-index:890;background:var(--cream);
  display:flex;flex-direction:column;justify-content:center;padding:90px var(--gut) 40px;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s
}
.mnav.on{opacity:1;visibility:visible}
.mnav .brand img{width:200px}
.mnav a{font-family:var(--serif);font-size:1.6rem;text-decoration:none;padding:15px 0;border-bottom:1px solid var(--line-2);color:var(--espresso)}
.mnav .btn{margin-top:28px;align-self:flex-start;font-family:var(--sans)}

/* ---------------------------------------------------------------- Reveal */
.rv{opacity:0;transform:translateY(14px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
.rv.in{opacity:1;transform:none}
.rv-f{opacity:0;transition:opacity .9s ease}
.rv-f.in{opacity:1}

/* ---------------------------------------------------------------- Karten */
.card{background:var(--white);border:1px solid var(--line-2);border-radius:var(--r);padding:clamp(24px,2.6vw,34px)}
.bg-dark .card{background:transparent;border-color:var(--line-d2)}
.grid{display:grid;gap:clamp(16px,2vw,26px)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.ico{width:34px;height:34px;display:flex;align-items:center;color:var(--clay-dark);margin-bottom:20px}
.bg-dark .ico,.bg-clay .ico{color:var(--clay-soft)}
.ico svg{width:26px;height:26px;stroke-width:1.25;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round}

/* Zahlen */
.num{font-family:var(--serif);font-size:clamp(1.9rem,3.4vw,2.7rem);line-height:1;font-weight:500;color:var(--espresso);font-variant-numeric:tabular-nums}
.num.acc{color:var(--clay-dark)}
.bg-dark .num,.bg-clay .num{color:var(--cream)}
.bg-dark .num.acc,.bg-clay .num.acc{color:var(--clay-soft)}
.num-lbl{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-top:11px}
.bg-dark .num-lbl,.bg-clay .num-lbl{color:rgba(var(--cream-rgb),.45)}

/* Bildrahmen */
.ph{position:relative;overflow:hidden;border-radius:var(--r);background:var(--cream-2)}
.ph img{width:100%;height:100%;object-fit:cover}
.ph-tag{
  position:absolute;left:14px;bottom:14px;background:rgba(var(--cream-rgb),.94);color:var(--espresso);
  padding:7px 13px;border-radius:2px;font-size:.66rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase
}

/* ---------------------------------------------------------------- Footer */
.ftr{background:var(--espresso);color:rgba(var(--cream-rgb),.6);padding:72px 0 30px;font-size:.885rem}
.ftr h4{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(var(--cream-rgb),.4);margin:0 0 16px;font-family:var(--sans);font-weight:700}
.ftr a{color:rgba(var(--cream-rgb),.62);text-decoration:none;transition:color .2s}
.ftr a:hover{color:var(--clay-soft)}
.ftr-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:48px}
.ftr-brand{line-height:0}
.ftr-brand img{width:238px;height:auto;display:block}
.ftr ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.ftr-btm{margin-top:52px;padding-top:24px;border-top:1px solid var(--line-d2);display:flex;flex-wrap:wrap;gap:14px 28px;justify-content:space-between;font-size:.755rem;color:rgba(var(--cream-rgb),.38)}
.ftr-btm a{color:rgba(var(--cream-rgb),.38)}
.ftr-legal{font-size:.715rem;line-height:1.65;color:rgba(var(--cream-rgb),.32);margin-top:26px;max-width:none}

/* ---------------------------------------------------------------- Consent */
.ck{
  position:fixed;left:20px;right:20px;bottom:20px;z-index:1000;max-width:470px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:0 20px 60px -28px rgba(0,0,0,.45);padding:26px;
  transform:translateY(140%);transition:transform .5s cubic-bezier(.22,.61,.36,1)
}
.ck.on{transform:none}
.ck h4{font-family:var(--serif);font-size:1.1rem;margin:0 0 10px;font-weight:500}
.ck p{font-size:.845rem;line-height:1.55;color:var(--espresso-3);margin:0 0 18px}
.ck a{color:var(--clay-dark)}
.ck-btns{display:flex;flex-wrap:wrap;gap:10px}
.ck .btn{flex:1 1 auto;padding:13px 18px;font-size:.72rem}
.ck-opts{margin:0 0 16px;display:none}
.ck-opts.on{display:block}
.ck-opt{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-top:1px solid var(--line-2)}
.ck-opt label{font-weight:700;font-size:.85rem;display:block}
.ck-opt p{font-size:.78rem;margin:3px 0 0}
.ck-opt input{margin-top:4px;width:16px;height:16px;accent-color:var(--clay)}
.ck-link{background:none;border:0;padding:0;color:var(--muted);font-size:.79rem;text-decoration:underline;cursor:pointer;margin-top:14px}

/* ---------------------------------------------------------------- Unterseiten */
.page-hd{padding:calc(var(--hdr) + 64px) 0 44px;border-bottom:1px solid var(--line-2)}
.page-hd h1{font-size:clamp(1.9rem,3.6vw,2.7rem)}
.legal{max-width:760px;padding:52px 0 100px}
.legal h2{font-size:1.22rem;margin:42px 0 12px}
.legal h3{font-size:.98rem;margin:26px 0 8px;font-family:var(--sans);font-weight:700}
.legal ul{padding-left:20px;margin:0 0 1em}
.legal li{margin-bottom:6px}
.legal p,.legal li{font-size:.93rem;line-height:1.7;color:var(--espresso-2)}
.legal a{color:var(--clay-dark)}

/* Danke-/Bestätigungsseiten */
.ty{min-height:74vh;display:flex;align-items:center;padding:calc(var(--hdr) + 72px) 0 90px;background:var(--cream)}
.ty .wrap{max-width:720px}
.ty h1{margin-top:6px}
.ty .lead{margin-top:20px}
.ty-mark{width:54px;height:54px;border:1px solid var(--clay);border-radius:50%;display:grid;place-items:center;margin-bottom:30px}
.ty-mark svg{width:24px;height:24px;stroke:var(--clay);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:30;stroke-dashoffset:30;animation:draw .7s cubic-bezier(.65,0,.35,1) .3s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.next{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:52px;border-top:1px solid var(--line)}
.next div{padding:26px 22px 26px 0;border-right:1px solid var(--line-2)}
.next div:last-child{border-right:0}
.next span{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--clay-dark);font-weight:700}
.next b{display:block;font-family:var(--serif);font-size:1.02rem;margin:10px 0 7px;font-weight:500}
.next p{font-size:.85rem;color:var(--espresso-3);margin:0}

@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:34px}
  .next{grid-template-columns:1fr}
  .next div{border-right:0;border-bottom:1px solid var(--line-2);padding-right:0}
}
@media(max-width:800px){
  .brand img,.hdr.solid .brand img{width:178px}
  .nav{display:none}
  .burger{display:block}
  .g2,.g4{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr}
  .ck{max-width:none;left:14px;right:14px;bottom:14px;padding:22px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .rv,.rv-f{opacity:1!important;transform:none!important}
}